1
by Olaf Halvorsen Rønning
Published 2018
Palgrave Macmillan

2
by Kent R. Kerley
Published 2018
MDPI - Multidisciplinary Digital Publishing Institute

3
by Edited by Christopher Walmsley and Terry Kading
Published 2018
Athabasca University Press

4
by Reckless, Walter C.
Published 1964
De Gruyter

5
by Toshio Morikawa
Published 2018
MDPI - Multidisciplinary Digital Publishing Institute

6
by Toshio Morikawa
Published 2018
MDPI - Multidisciplinary Digital Publishing Institute